1920.00000

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:47

約数の個数: 24

約数和(自身を含む): 89376

約数和(自身を除く): 34321

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 385, 455, 605, 715, 847, 1001, 1573, 4235, 5005, 7865, 11011, 55055]

約数ペア:

[(1, 55055), (5, 11011), (7, 7865), (11, 5005), (13, 4235), (35, 1573), (55, 1001), (65, 847), (77, 715), (91, 605), (121, 455), (143, 385)]